CVE-2021-20089 Information

Description

Improperly Controlled Modification of Object Prototype Attributes (‘Prototype Pollution’) in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md Improperly Controlled Modification of Object Prototype Attributes (‘Prototype Pollution’) in purl 2.3.2 allows a malicious user to inject properties into Object.prototype. cpe:2.3:a:purl_project:purl:2.3.2:::::::*

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8